arch/arm/mach-pxa/mainstone.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/mainstone.c
   3  *
   4  *  Support for the Intel HCDDBBVA0 Development Platform.
   5  *  (go figure how they came up with such name...)
   6  *
   7  *  Author:     Nicolas Pitre
   8  *  Created:    Nov 05, 2002
   9  *  Copyright:  MontaVista Software Inc.
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License version 2 as
  13  *  published by the Free Software Foundation.
  14  */
  15 #include <linux/gpio.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/syscore_ops.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/sched.h>
  21 #include <linux/bitops.h>
  22 #include <linux/fb.h>
  23 #include <linux/ioport.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/input.h>
  27 #include <linux/gpio_keys.h>
  28 #include <linux/pwm_backlight.h>
  29 #include <linux/smc91x.h>
  30 #include <linux/i2c/pxa-i2c.h>
  31 #include <linux/slab.h>
  32 #include <linux/leds.h>
  33
  34 #include <asm/types.h>
  35 #include <asm/setup.h>
  36 #include <asm/memory.h>
  37 #include <asm/mach-types.h>
  38 #include <mach/hardware.h>
  39 #include <asm/irq.h>
  40 #include <asm/sizes.h>
  41
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/map.h>
  44 #include <asm/mach/irq.h>
  45 #include <asm/mach/flash.h>
  46
  47 #include <mach/pxa27x.h>
  48 #include <mach/mainstone.h>
  49 #include <mach/audio.h>
  50 #include <linux/platform_data/video-pxafb.h>
  51 #include <linux/platform_data/mmc-pxamci.h>
  52 #include <linux/platform_data/irda-pxaficp.h>
  53 #include <linux/platform_data/usb-ohci-pxa27x.h>
  54 #include <linux/platform_data/keypad-pxa27x.h>
  55 #include <mach/smemc.h>
  56
  57 #include "generic.h"
  58 #include "devices.h"
  59
  60 static unsigned long mainstone_pin_config[] = {
  61         /* Chip Select */
  62         GPIO15_nCS_1,
  63
  64         /* LCD - 16bpp Active TFT */
  65         GPIOxx_LCD_TFT_16BPP,
  66         GPIO16_PWM0_OUT,        /* Backlight */
  67
  68         /* MMC */
  69         GPIO32_MMC_CLK,
  70         GPIO112_MMC_CMD,
  71         GPIO92_MMC_DAT_0,
  72         GPIO109_MMC_DAT_1,
  73         GPIO110_MMC_DAT_2,
  74         GPIO111_MMC_DAT_3,
  75
  76         /* USB Host Port 1 */
  77         GPIO88_USBH1_PWR,
  78         GPIO89_USBH1_PEN,
  79
  80         /* PC Card */
  81         GPIO48_nPOE,
  82         GPIO49_nPWE,
  83         GPIO50_nPIOR,
  84         GPIO51_nPIOW,
  85         GPIO85_nPCE_1,
  86         GPIO54_nPCE_2,
  87         GPIO79_PSKTSEL,
  88         GPIO55_nPREG,
  89         GPIO56_nPWAIT,
  90         GPIO57_nIOIS16,
  91
  92         /* AC97 */
  93         GPIO28_AC97_BITCLK,
  94         GPIO29_AC97_SDATA_IN_0,
  95         GPIO30_AC97_SDATA_OUT,
  96         GPIO31_AC97_SYNC,
  97         GPIO45_AC97_SYSCLK,
  98
  99         /* Keypad */
 100         GPIO93_KP_DKIN_0,
 101         GPIO94_KP_DKIN_1,
 102         GPIO95_KP_DKIN_2,
 103         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 104         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 105         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 106         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 107         GPIO98_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 108         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 109         GPIO103_KP_MKOUT_0,
 110         GPIO104_KP_MKOUT_1,
 111         GPIO105_KP_MKOUT_2,
 112         GPIO106_KP_MKOUT_3,
 113         GPIO107_KP_MKOUT_4,
 114         GPIO108_KP_MKOUT_5,
 115         GPIO96_KP_MKOUT_6,
 116
 117         /* I2C */
 118         GPIO117_I2C_SCL,
 119         GPIO118_I2C_SDA,
 120
 121         /* GPIO */
 122         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
 123 };
 124
 125 static unsigned long mainstone_irq_enabled;
 126
 127 static void mainstone_mask_irq(struct irq_data *d)
 128 {
 129         int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
 130         MST_INTMSKENA = (mainstone_irq_enabled &= ~(1 << mainstone_irq));
 131 }
 132
 133 static void mainstone_unmask_irq(struct irq_data *d)
 134 {
 135         int mainstone_irq = (d->irq - MAINSTONE_IRQ(0));
 136         /* the irq can be acknowledged only if deasserted, so it's done here */
 137         MST_INTSETCLR &= ~(1 << mainstone_irq);
 138         MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
 139 }
 140
 141 static struct irq_chip mainstone_irq_chip = {
 142         .name           = "FPGA",
 143         .irq_ack        = mainstone_mask_irq,
 144         .irq_mask       = mainstone_mask_irq,
 145         .irq_unmask     = mainstone_unmask_irq,
 146 };
 147
 148 static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 149 {
 150         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
 151         do {
 152                 /* clear useless edge notification */
 153                 desc->irq_data.chip->irq_ack(&desc->irq_data);
 154                 if (likely(pending)) {
 155                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
 156                         generic_handle_irq(irq);
 157                 }
 158                 pending = MST_INTSETCLR & mainstone_irq_enabled;
 159         } while (pending);
 160 }
 161
 162 static void __init mainstone_init_irq(void)
 163 {
 164         int irq;
 165
 166         pxa27x_init_irq();
 167
 168         /* setup extra Mainstone irqs */
 169         for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
 170                 irq_set_chip_and_handler(irq, &mainstone_irq_chip,
 171                                          handle_level_irq);
 172                 if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
 173                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
 174                 else
 175                         set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 176         }
 177         set_irq_flags(MAINSTONE_IRQ(8), 0);
 178         set_irq_flags(MAINSTONE_IRQ(12), 0);
 179
 180         MST_INTMSKENA = 0;
 181         MST_INTSETCLR = 0;
 182
 183         irq_set_chained_handler(PXA_GPIO_TO_IRQ(0), mainstone_irq_handler);
 184         irq_set_irq_type(PXA_GPIO_TO_IRQ(0), IRQ_TYPE_EDGE_FALLING);
 185 }
 186
 187 #ifdef CONFIG_PM
 188
 189 static void mainstone_irq_resume(void)
 190 {
 191         MST_INTMSKENA = mainstone_irq_enabled;
 192 }
 193
 194 static struct syscore_ops mainstone_irq_syscore_ops = {
 195         .resume = mainstone_irq_resume,
 196 };
 197
 198 static int __init mainstone_irq_device_init(void)
 199 {
 200         if (machine_is_mainstone())
 201                 register_syscore_ops(&mainstone_irq_syscore_ops);
 202
 203         return 0;
 204 }
 205
 206 device_initcall(mainstone_irq_device_init);
 207
 208 #endif
 209
 210
 211 static struct resource smc91x_resources[] = {
 212         [0] = {
 213                 .start  = (MST_ETH_PHYS + 0x300),
 214                 .end    = (MST_ETH_PHYS + 0xfffff),
 215                 .flags  = IORESOURCE_MEM,
 216         },
 217         [1] = {
 218                 .start  = MAINSTONE_IRQ(3),
 219                 .end    = MAINSTONE_IRQ(3),
 220                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 221         }
 222 };
 223
 224 static struct smc91x_platdata mainstone_smc91x_info = {
 225         .flags  = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
 226                   SMC91X_NOWAIT | SMC91X_USE_DMA,
 227 };
 228
 229 static struct platform_device smc91x_device = {
 230         .name           = "smc91x",
 231         .id             = 0,
 232         .num_resources  = ARRAY_SIZE(smc91x_resources),
 233         .resource       = smc91x_resources,
 234         .dev            = {
 235                 .platform_data = &mainstone_smc91x_info,
 236         },
 237 };
 238
 239 static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv)
 240 {
 241         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 242                 MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
 243         return 0;
 244 }
 245
 246 static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv)
 247 {
 248         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 249                 MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 250 }
 251
 252 static long mst_audio_suspend_mask;
 253
 254 static void mst_audio_suspend(void *priv)
 255 {
 256         mst_audio_suspend_mask = MST_MSCWR2;
 257         MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
 258 }
 259
 260 static void mst_audio_resume(void *priv)
 261 {
 262         MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
 263 }
 264
 265 static pxa2xx_audio_ops_t mst_audio_ops = {
 266         .startup        = mst_audio_startup,
 267         .shutdown       = mst_audio_shutdown,
 268         .suspend        = mst_audio_suspend,
 269         .resume         = mst_audio_resume,
 270 };
 271
 272 static struct resource flash_resources[] = {
 273         [0] = {
 274                 .start  = PXA_CS0_PHYS,
 275                 .end    = PXA_CS0_PHYS + SZ_64M - 1,
 276                 .flags  = IORESOURCE_MEM,
 277         },
 278         [1] = {
 279                 .start  = PXA_CS1_PHYS,
 280                 .end    = PXA_CS1_PHYS + SZ_64M - 1,
 281                 .flags  = IORESOURCE_MEM,
 282         },
 283 };
 284
 285 static struct mtd_partition mainstoneflash0_partitions[] = {
 286         {
 287                 .name =         "Bootloader",
 288                 .size =         0x00040000,
 289                 .offset =       0,
 290                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 291         },{
 292                 .name =         "Kernel",
 293                 .size =         0x00400000,
 294                 .offset =       0x00040000,
 295         },{
 296                 .name =         "Filesystem",
 297                 .size =         MTDPART_SIZ_FULL,
 298                 .offset =       0x00440000
 299         }
 300 };
 301
 302 static struct flash_platform_data mst_flash_data[2] = {
 303         {
 304                 .map_name       = "cfi_probe",
 305                 .parts          = mainstoneflash0_partitions,
 306                 .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
 307         }, {
 308                 .map_name       = "cfi_probe",
 309                 .parts          = NULL,
 310                 .nr_parts       = 0,
 311         }
 312 };
 313
 314 static struct platform_device mst_flash_device[2] = {
 315         {
 316                 .name           = "pxa2xx-flash",
 317                 .id             = 0,
 318                 .dev = {
 319                         .platform_data = &mst_flash_data[0],
 320                 },
 321                 .resource = &flash_resources[0],
 322                 .num_resources = 1,
 323         },
 324         {
 325                 .name           = "pxa2xx-flash",
 326                 .id             = 1,
 327                 .dev = {
 328                         .platform_data = &mst_flash_data[1],
 329                 },
 330                 .resource = &flash_resources[1],
 331                 .num_resources = 1,
 332         },
 333 };
 334
 335 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 336 static struct platform_pwm_backlight_data mainstone_backlight_data = {
 337         .pwm_id         = 0,
 338         .max_brightness = 1023,
 339         .dft_brightness = 1023,
 340         .pwm_period_ns  = 78770,
 341 };
 342
 343 static struct platform_device mainstone_backlight_device = {
 344         .name           = "pwm-backlight",
 345         .dev            = {
 346                 .parent = &pxa27x_device_pwm0.dev,
 347                 .platform_data = &mainstone_backlight_data,
 348         },
 349 };
 350
 351 static void __init mainstone_backlight_register(void)
 352 {
 353         int ret = platform_device_register(&mainstone_backlight_device);
 354         if (ret)
 355                 printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
 356 }
 357 #else
 358 #define mainstone_backlight_register()  do { } while (0)
 359 #endif
 360
 361 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
 362         .pixclock               = 50000,
 363         .xres                   = 640,
 364         .yres                   = 480,
 365         .bpp                    = 16,
 366         .hsync_len              = 1,
 367         .left_margin            = 0x9f,
 368         .right_margin           = 1,
 369         .vsync_len              = 44,
 370         .upper_margin           = 0,
 371         .lower_margin           = 0,
 372         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 373 };
 374
 375 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
 376         .pixclock               = 110000,
 377         .xres                   = 240,
 378         .yres                   = 320,
 379         .bpp                    = 16,
 380         .hsync_len              = 4,
 381         .left_margin            = 8,
 382         .right_margin           = 20,
 383         .vsync_len              = 3,
 384         .upper_margin           = 1,
 385         .lower_margin           = 10,
 386         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
 387 };
 388
 389 static struct pxafb_mach_info mainstone_pxafb_info = {
 390         .num_modes              = 1,
 391         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 392 };
 393
 394 static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 395 {
 396         int err;
 397
 398         /* make sure SD/Memory Stick multiplexer's signals
 399          * are routed to MMC controller
 400          */
 401         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 402
 403         err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
 404                              "MMC card detect", data);
 405         if (err)
 406                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 407
 408         return err;
 409 }
 410
 411 static void mainstone_mci_setpower(struct device *dev, unsigned int vdd)
 412 {
 413         struct pxamci_platform_data* p_d = dev->platform_data;
 414
 415         if (( 1 << vdd) & p_d->ocr_mask) {
 416                 printk(KERN_DEBUG "%s: on\n", __func__);
 417                 MST_MSCWR1 |= MST_MSCWR1_MMC_ON;
 418                 MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 419         } else {
 420                 printk(KERN_DEBUG "%s: off\n", __func__);
 421                 MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON;
 422         }
 423 }
 424
 425 static void mainstone_mci_exit(struct device *dev, void *data)
 426 {
 427         free_irq(MAINSTONE_MMC_IRQ, data);
 428 }
 429
 430 static struct pxamci_platform_data mainstone_mci_platform_data = {
 431         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 432         .init                   = mainstone_mci_init,
 433         .setpower               = mainstone_mci_setpower,
 434         .exit                   = mainstone_mci_exit,
 435         .gpio_card_detect       = -1,
 436         .gpio_card_ro           = -1,
 437         .gpio_power             = -1,
 438 };
 439
 440 static void mainstone_irda_transceiver_mode(struct device *dev, int mode)
 441 {
 442         unsigned long flags;
 443
 444         local_irq_save(flags);
 445         if (mode & IR_SIRMODE) {
 446                 MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR;
 447         } else if (mode & IR_FIRMODE) {
 448                 MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
 449         }
 450         pxa2xx_transceiver_mode(dev, mode);
 451         if (mode & IR_OFF) {
 452                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
 453         } else {
 454                 MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
 455         }
 456         local_irq_restore(flags);
 457 }
 458
 459 static struct pxaficp_platform_data mainstone_ficp_platform_data = {
 460         .gpio_pwdown            = -1,
 461         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
 462         .transceiver_mode       = mainstone_irda_transceiver_mode,
 463 };
 464
 465 static struct gpio_keys_button gpio_keys_button[] = {
 466         [0] = {
 467                 .desc   = "wakeup",
 468                 .code   = KEY_SUSPEND,
 469                 .type   = EV_KEY,
 470                 .gpio   = 1,
 471                 .wakeup = 1,
 472         },
 473 };
 474
 475 static struct gpio_keys_platform_data mainstone_gpio_keys = {
 476         .buttons        = gpio_keys_button,
 477         .nbuttons       = 1,
 478 };
 479
 480 static struct platform_device mst_gpio_keys_device = {
 481         .name           = "gpio-keys",
 482         .id             = -1,
 483         .dev            = {
 484                 .platform_data  = &mainstone_gpio_keys,
 485         },
 486 };
 487
 488 static struct platform_device *platform_devices[] __initdata = {
 489         &smc91x_device,
 490         &mst_flash_device[0],
 491         &mst_flash_device[1],
 492         &mst_gpio_keys_device,
 493 };
 494
 495 static struct pxaohci_platform_data mainstone_ohci_platform_data = {
 496         .port_mode      = PMM_PERPORT_MODE,
 497         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
 498 };
 499
 500 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 501 static unsigned int mainstone_matrix_keys[] = {
 502         KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C),
 503         KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F),
 504         KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I),
 505         KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L),
 506         KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O),
 507         KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R),
 508         KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U),
 509         KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X),
 510         KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z),
 511
 512         KEY(0, 4, KEY_DOT),     /* . */
 513         KEY(1, 4, KEY_CLOSE),   /* @ */
 514         KEY(4, 4, KEY_SLASH),
 515         KEY(5, 4, KEY_BACKSLASH),
 516         KEY(0, 5, KEY_HOME),
 517         KEY(1, 5, KEY_LEFTSHIFT),
 518         KEY(2, 5, KEY_SPACE),
 519         KEY(3, 5, KEY_SPACE),
 520         KEY(4, 5, KEY_ENTER),
 521         KEY(5, 5, KEY_BACKSPACE),
 522
 523         KEY(0, 6, KEY_UP),
 524         KEY(1, 6, KEY_DOWN),
 525         KEY(2, 6, KEY_LEFT),
 526         KEY(3, 6, KEY_RIGHT),
 527         KEY(4, 6, KEY_SELECT),
 528 };
 529
 530 struct pxa27x_keypad_platform_data mainstone_keypad_info = {
 531         .matrix_key_rows        = 6,
 532         .matrix_key_cols        = 7,
 533         .matrix_key_map         = mainstone_matrix_keys,
 534         .matrix_key_map_size    = ARRAY_SIZE(mainstone_matrix_keys),
 535
 536         .enable_rotary0         = 1,
 537         .rotary0_up_key         = KEY_UP,
 538         .rotary0_down_key       = KEY_DOWN,
 539
 540         .debounce_interval      = 30,
 541 };
 542
 543 static void __init mainstone_init_keypad(void)
 544 {
 545         pxa_set_keypad_info(&mainstone_keypad_info);
 546 }
 547 #else
 548 static inline void mainstone_init_keypad(void) {}
 549 #endif
 550
 551 static void __init mainstone_init(void)
 552 {
 553         int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
 554
 555         pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
 556
 557         pxa_set_ffuart_info(NULL);
 558         pxa_set_btuart_info(NULL);
 559         pxa_set_stuart_info(NULL);
 560
 561         mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
 562         mst_flash_data[1].width = 4;
 563
 564         /* Compensate for SW7 which swaps the flash banks */
 565         mst_flash_data[SW7].name = "processor-flash";
 566         mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
 567
 568         printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
 569                mst_flash_data[0].name);
 570
 571         /* system bus arbiter setting
 572          * - Core_Park
 573          * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
 574          */
 575         ARB_CNTRL = ARB_CORE_PARK | 0x234;
 576
 577         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 578
 579         /* reading Mainstone's "Virtual Configuration Register"
 580            might be handy to select LCD type here */
 581         if (0)
 582                 mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode;
 583         else
 584                 mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode;
 585
 586         pxa_set_fb_info(NULL, &mainstone_pxafb_info);
 587         mainstone_backlight_register();
 588
 589         pxa_set_mci_info(&mainstone_mci_platform_data);
 590         pxa_set_ficp_info(&mainstone_ficp_platform_data);
 591         pxa_set_ohci_info(&mainstone_ohci_platform_data);
 592         pxa_set_i2c_info(NULL);
 593         pxa_set_ac97_info(&mst_audio_ops);
 594
 595         mainstone_init_keypad();
 596 }
 597
 598
 599 static struct map_desc mainstone_io_desc[] __initdata = {
 600         {       /* CPLD */
 601                 .virtual        =  MST_FPGA_VIRT,
 602                 .pfn            = __phys_to_pfn(MST_FPGA_PHYS),
 603                 .length         = 0x00100000,
 604                 .type           = MT_DEVICE
 605         }
 606 };
 607
 608 static void __init mainstone_map_io(void)
 609 {
 610         pxa27x_map_io();
 611         iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc));
 612
 613         /*      for use I SRAM as framebuffer.  */
 614         PSLR |= 0xF04;
 615         PCFR = 0x66;
 616 }
 617
 618 /*
 619  * Driver for the 8 discrete LEDs available for general use:
 620  * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
 621  * so be sure to not monkey with them here.
 622  */
 623
 624 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
 625 struct mainstone_led {
 626         struct led_classdev     cdev;
 627         u8                      mask;
 628 };
 629
 630 /*
 631  * The triggers lines up below will only be used if the
 632  * LED triggers are compiled in.
 633  */
 634 static const struct {
 635         const char *name;
 636         const char *trigger;
 637 } mainstone_leds[] = {
 638         { "mainstone:D28", "default-on", },
 639         { "mainstone:D27", "cpu0", },
 640         { "mainstone:D26", "heartbeat" },
 641         { "mainstone:D25", },
 642         { "mainstone:D24", },
 643         { "mainstone:D23", },
 644         { "mainstone:D22", },
 645         { "mainstone:D21", },
 646 };
 647
 648 static void mainstone_led_set(struct led_classdev *cdev,
 649                               enum led_brightness b)
 650 {
 651         struct mainstone_led *led = container_of(cdev,
 652                                          struct mainstone_led, cdev);
 653         u32 reg = MST_LEDCTRL;
 654
 655         if (b != LED_OFF)
 656                 reg |= led->mask;
 657         else
 658                 reg &= ~led->mask;
 659
 660         MST_LEDCTRL = reg;
 661 }
 662
 663 static enum led_brightness mainstone_led_get(struct led_classdev *cdev)
 664 {
 665         struct mainstone_led *led = container_of(cdev,
 666                                          struct mainstone_led, cdev);
 667         u32 reg = MST_LEDCTRL;
 668
 669         return (reg & led->mask) ? LED_FULL : LED_OFF;
 670 }
 671
 672 static int __init mainstone_leds_init(void)
 673 {
 674         int i;
 675
 676         if (!machine_is_mainstone())
 677                 return -ENODEV;
 678
 679         /* All ON */
 680         MST_LEDCTRL |= 0xff;
 681         for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) {
 682                 struct mainstone_led *led;
 683
 684                 led = kzalloc(sizeof(*led), GFP_KERNEL);
 685                 if (!led)
 686                         break;
 687
 688                 led->cdev.name = mainstone_leds[i].name;
 689                 led->cdev.brightness_set = mainstone_led_set;
 690                 led->cdev.brightness_get = mainstone_led_get;
 691                 led->cdev.default_trigger = mainstone_leds[i].trigger;
 692                 led->mask = BIT(i);
 693
 694                 if (led_classdev_register(NULL, &led->cdev) < 0) {
 695                         kfree(led);
 696                         break;
 697                 }
 698         }
 699
 700         return 0;
 701 }
 702
 703 /*
 704  * Since we may have triggers on any subsystem, defer registration
 705  * until after subsystem_init.
 706  */
 707 fs_initcall(mainstone_leds_init);
 708 #endif
 709
 710 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 711         /* Maintainer: MontaVista Software Inc. */
 712         .atag_offset    = 0x100,        /* BLOB boot parameter setting */
 713         .map_io         = mainstone_map_io,
 714         .nr_irqs        = MAINSTONE_NR_IRQS,
 715         .init_irq       = mainstone_init_irq,
 716         .handle_irq     = pxa27x_handle_irq,
 717         .timer          = &pxa_timer,
 718         .init_machine   = mainstone_init,
 719         .restart        = pxa_restart,
 720 MACHINE_END